Vent exhausts containing oils, fats or acids are a leading cause of roof deterioration. In addition acid rain, and chemicals from other sources can settle on the surface and leach out the liquid placticizers that were originally put in to keep your roofing membrane flexible. The solid flexibility of Elvaloy® KEE, however, stays put to resist chemicals, oils, acid rain, and many other sources of attack in demanding environments. There’s no better way to assure the long-term performance of your membrane roof.
Always light in color, roofing membranes based on Elvaloy reflect rather than absorb heat.
Any Roof may occasionally need maintenance or modification, and that’s when roofing based on Elvaloy really pays off…it can be cut and rewelded with the repair seams essentially as strong as the original welds themselves. Many other thermoplastic membranes simply can’t offer the same strength because they can become brittle with age
Most any roofing membrane will do short term, but most customers want roofing requiring little maintenance over time. If you’re looking for that kind of long-term, carefree performance, always specify a roofing membrane containing DuPont™ Elvaloy® KEE. It’s the sure way to add years of reliable service life to your new roof.
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“DuPont™ Elvaloy® KEE has been proven for decades as one of the World’s Best Roofing Membranes. It’s what helps keep your roofing membrane flexible and maintainable over time.
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